Last active
January 30, 2018 22:57
-
-
Save sbrl/f8b584a383116b38da29 to your computer and use it in GitHub Desktop.
An ES6 template for a HTML5 canvas experiment. #template #html5-canvas
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| "use strict"; | |
| /** | |
| * @template https://gist.github.com/sbrl/f8b584a383116b38da29 | |
| */ | |
| class Renderer | |
| { | |
| constructor(canvas) | |
| { | |
| this.canvas = canvas; | |
| this.context = canvas.getContext("2d"); | |
| this.trackWindowSize(); | |
| } | |
| nextFrame() | |
| { | |
| this.update(); | |
| this.render(this.canvas, this.context); | |
| requestAnimationFrame(this.nextFrame.bind(this)); | |
| } | |
| update() | |
| { | |
| } | |
| render(canvas, context) | |
| { | |
| context.clearRect(0, 0, canvas.width, canvas.height); | |
| context.fillStyle = "red"; | |
| context.fillRect(10, 10, 100, 100); | |
| } | |
| /** | |
| * Updates the canvas size to match the current viewport size. | |
| */ | |
| matchWindowSize() { | |
| this.canvas.width = window.innerWidth; | |
| this.canvas.height = window.innerHeight; | |
| //this.render(this.canvas, this.context); | |
| } | |
| /** | |
| * Makes the canvas size track the window size. | |
| */ | |
| trackWindowSize() { | |
| this.matchWindowSize(); | |
| window.addEventListener("resize", this.matchWindowSize.bind(this)); | |
| } | |
| } | |
| window.addEventListener("load", function (event) { | |
| var canvas = document.getElementById("canvas-main"), | |
| renderer = new Renderer(canvas); | |
| renderer.nextFrame(); | |
| window.renderer = renderer; | |
| }); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta name="viewport" content="width=device-width" /> | |
| <title>HTML5 Canvas Experiment</title> | |
| <script src="renderer.js"></script> | |
| <link href="theme.css" rel="stylesheet" /> | |
| </head> | |
| <body> | |
| <canvas id="canvas-main"></canvas> | |
| </body> | |
| </html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| html, body { font-size: 100%; } | |
| body | |
| { | |
| font-family: sans-serif; | |
| } | |
| #canvas-main | |
| { | |
| position: absolute; | |
| top: 0; left: 0; | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment